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SubjectRe: linux-next: build warninga in Linus' tree
On Mon, May 30, 2011 at 3:36 AM, Stephen Rothwell <> wrote:
> Hi all,
> After merging the Linus' tree, today's linux-next build (powerpc
> ppc64_defconfig) produced these warnings:
> fs/btrfs/sysfs.c:76:26: warning: 'btrfs_root_attrs' defined but not used
> fs/btrfs/sysfs.c:97:26: warning: 'btrfs_super_attrs' defined but not used
> fs/btrfs/sysfs.c:153:13: warning: 'btrfs_super_release' defined but not used
> fs/btrfs/sysfs.c:160:13: warning: 'btrfs_root_release' defined but not used
> I have started using gcc v4.5.2 (instead of v4.4.4) if that makes a
> difference.

I see the same warnings with Debian's gcc-4.6 (here: next-20110603),
plus some more:

fs/btrfs/ioctl.c: In function 'btrfs_ioctl_fs_info.isra.24':
fs/btrfs/ioctl.c:2080:1: warning: the frame size of 1032 bytes is
larger than 1024 bytes [-Wframe-larger-than=]

fs/btrfs/delayed-inode.c: In function 'btrfs_batch_insert_items':
fs/btrfs/delayed-inode.c:690:9: warning: 'nitems' may be used
uninitialized in this function [-Wuninitialized]

- Sedat -

> --
> Cheers,
> Stephen Rothwell          
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